This Proof Platinum coin contains 1/10 oz of. Since it was introduced in 1997, the Platinum Eagle has become one of the world's most widely traded Platinum bullion coins.The item "1997-W 1/10 oz Proof Platinum American Eagle (withBox & COA) SKU #10420" is in sale since Wednesday, December 9, 2015. This item is in the category "Coins & Paper Money\Bullion\Gold\Other Gold Bullion". The seller is "apmex" and is located in Oklahoma City, Oklahoma. This item can be shipped worldwide.